Bump rubocop-minitest from 0.33.0 to 0.34.1 (#6)

Bumps [rubocop-minitest](https://github.com/rubocop/rubocop-minitest) from 0.33.0 to 0.34.1.
- [Release notes](https://github.com/rubocop/rubocop-minitest/releases)
- [Changelog](https://github.com/rubocop/rubocop-minitest/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop-minitest@v0.33.0...v0.34.1)

---
updated-dependencies:
- dependency-name: rubocop-minitest
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Gemfile.lock

@@ -55,8 +55,9 @@ GEM
       parser (>= 3.2.1.0)
     rubocop-graphql (1.4.0)
       rubocop (>= 0.90, < 2)
-    rubocop-minitest (0.33.0)
+    rubocop-minitest (0.34.1)
       rubocop (>= 1.39, < 2.0)
+      rubocop-ast (>= 1.30.0, < 2.0)
     rubocop-performance (1.20.0)
       rubocop (>= 1.48.1, < 2.0)
       rubocop-ast (>= 1.30.0, < 2.0)